As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON INITIAL CLIMBOUT AT 11,000 FT THE CREW RECEIVED FORWARD CARGO DOOR UNSAFE WARNING LIGHT. THEY HAD NO LOSS OF CABIN PRESSURIZATION. CREW DECLARED EMERGENCY AND RETURNED TO EWR. MX FOUND DOOR HANDLE NOT COMPLETELY LATCHED; OPS CHECKED DOOR, OPS CHECKED GOOD.